MSI 845 Pro Manual page 32

CD-In/Aux Line-In/Modem-In Connector: CD_IN1/
AUX_IN1/MDM_IN1
CD_IN1 connector is for CD-ROM audio connector.
AUX_IN1 connector is for DVD add-on card with Line-in connector.
MDM_IN1 connector is for modem with internal audio connector.
R
GND
L
CD_IN1
Mono_Out
R
GND
GND
Phone_In
L
1
AUX_IN1
Note:
Mono_Out is connected to the Modem speaker-out connector.
Phone_In is connected to the Modem Microphone-In connector.
1
1
MDM_IN1
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Hardware Setup